RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 2) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY Carnival, EV9, K5 and Sorento vehicles. This update is designed to improve the vehicle’s network communication performance.
full bulletin at NHTSA ↗2025 Kia K5 electrical problems
moderate Owners of the 2025 Kia K5 have filed 10 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Complaints
10
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2021 K5 | 40 |
| 2022 K5 | 19 |
| 2023 K5 | 3 |
| 2024 K5 | 5 |
| 2025 K5 (this page) | 10 |
| 2026 K5 | 3 |
What stands out
Among the 6 model years of Kia K5 in our records for electrical problems, this one ranks #3 by owner-complaint volume.
Electrical accounts for 21% of all owner complaints filed against this vehicle, across 6 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BATTERY WIRING HARNESS COVERING INSPECTION / REPLACEMENT (SA645) - This bulletin provides information for inspecting the 12V battery wiring harness on certain 2025-2026 MY K5 (DL3) vehicles equipped with the Theta III 2.5L GDI engine, produced from February 20, 2024, through March 13, 2026. The subject vehicles may exhibit an illuminated Malfunction Indicator Lamp (MIL) along with a low engine oil warning light and/or battery warning light displayed on the instrument cluster, caused by abrasion of the wiring harness over time. One or more of the Diagnostic Trouble Codes (DTCs) listed on page 2 may be stored.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment systems on applicable Kia vehicles using the Kia Navigation Updater available at update.kia.com. The software update may improve system performance, enhance existing features, and apply the latest operating software for supported vehicles (2021-2026MY All Models).
full bulletin at NHTSA ↗RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 1) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY Carnival, 2025 - 2026MY K5 and 2025 - 2026MY Sorento vehicles. This update is designed to improve the vehicle’s network communication performance.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software downloads and USB preparation process is similar across all supported platforms; however, in‑vehicle installation procedures vary by head unit type.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
Component/System Involved: The vehicle experienced a brief electrical failure affecting multiple systems simultaneously: exterior headlights, infotainment system, and dashboard indicators (seatbelt warning). All components recovered automatically within approximately 0.5–1 second. The issue appears electrical in nature (possible power interruption, grounding issue, BCM/TCM-related event). The…
Battery keeps dying even after replacement. I would drive it then park it overnight and the next day it would dead. this put my safety at risk because at any time my car could die and I wouldn’t know until I sat in it. I would then have to figure out what to do next since the last 3 times it has died i was stuck with important work to do. There were no warnings or symptoms that first appeared. We…
fix
The first time the collision warning lights and sounds came on when I was parked but had my engine on in the morning of 7/21/2026. The second time was when I was merging on a busy highway with cars going 65+mph... There were no cars around me, but the collision warning said crash, the sounds came on, and my brakes went into effect. I pulled off the road, and now I am terrified to drive my car. I…
Had electrical trouble with your 2025 Kia K5?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2025 Kia K5?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 10 complaints filed, electrical issues most often appear around 24,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2025/Kia/K5.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.